84922379 has 2 divisors, whose sum is σ = 84922380. Its totient is φ = 84922378.

The previous prime is 84922337. The next prime is 84922391. The reversal of 84922379 is 97322948.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84922379 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (84922679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42461189 + 42461190.

It is an arithmetic number, because the mean of its divisors is an integer number (42461190).

Almost surely, 2^84922379 is an apocalyptic number.

84922379 is a deficient number, since it is larger than the sum of its proper divisors (1).

84922379 is an equidigital number, since it uses as much as digits as its factorization.

84922379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 44.

The square root of 84922379 is about 9215.3339060503. Note that the first 3 decimals coincide. The cubic root of 84922379 is about 439.5490886845.

The spelling of 84922379 in words is "eighty-four million, nine hundred twenty-two thousand, three hundred seventy-nine".